12122112003 has 8 divisors (see below), whose sum is σ = 16189014288. Its totient is φ = 8068308864.

The previous prime is 12122111993. The next prime is 12122112031. The reversal of 12122112003 is 30021122121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12122112003 - 2¹⁷ = 12121980931 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12122112053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3272626 + ... + 3276327.

It is an arithmetic number, because the mean of its divisors is an integer number (2023626786).

Almost surely, 2^12122112003 is an apocalyptic number.

12122112003 is a deficient number, since it is larger than the sum of its proper divisors (4066902285).

12122112003 is an equidigital number, since it uses as much as digits as its factorization.

12122112003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6549573.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 12122112003 its reverse (30021122121), we get a palindrome (42143234124).

The spelling of 12122112003 in words is "twelve billion, one hundred twenty-two million, one hundred twelve thousand, three".